## Listing all results (327)

### Episode 122: Using an Oscilloscope

This demonstration or student practical activity, from the Institute of Physics, helps students learn to use an oscilloscope to measure voltages. It helps students to understand the use of a cathode ray oscilloscope by showing:• how the oscilloscope plots a graph of voltage (y-axis) against time (x-axis)• the effects...
Publication date:
2000 - 2009

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### Episode 123: Alternating Current

Produced by the Institute of Physics, this learning episode helps students to distinguish alternating from direct currents before revising why alternating current (ac) is so important.The range of activities include:• demonstrating the output of a generator• measuring alternating current with a cathode ray...
Publication date:
2000 - 2009

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### Episode 125: Introducing Capacitors

In this learning episode from the Institute of Physics, students are introduced to capacitors. Through practical investigations, students look at their charge and discharge process.The activities include:• demonstration of a 'super capacitor' using large sheets of aluminium foil and polythene• capacitors in everyday...
Publication date:
2000 - 2009

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### Episode 126: Capacitance and the Equation C = Q/V

This learning episode, from the Institute of Physics, helps students understand how capacitors charge and the concept of capacitance. Students investigate the relationship between charge and potential difference across a capacitor.Activities include:• charging a capacitor• defining capacitance and the farad• practical...
Publication date:
2000 - 2009

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### Episode 127: Capacitors in Series and Parallel

In this learning episode, from the Institute of Physics, students derive formulae for capacitors in series and parallel to reinforce their understanding of circuits involving capacitors.The activities in this learning episode include:• charge, voltage and capacitance• deriving formulae for capacitors in series and...
Publication date:
2000 - 2009

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### Episode 128: Energy Stored by a Capacitor

Produced by the Institute of Physics, this learning episode looks at the energy stored in a capacitor. Students undertake a practical investigation to look at the energy stored and how this varies with potential difference and capacitance.The activities include:• energy transfer - using a capacitor and an electric...
Publication date:
2000 - 2009

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### Episode 129: Discharge of a Capacitor

In this learning episode from the Institute of Physics, students investigate and characterise the exponential discharge of a capacitor.Activities include:• looking at exponential discharge• characteristics of exponentials• spreadsheet model of discharge• varying resistance and capacitance• deriving and using...
Publication date:
2000 - 2009

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### Solar Power for Exploration Challenge

From NASA, Solar Energy for Space Exploration is a problem-based learning activity. The project requires students to propose and defend a design to provide power to a lunar or Martian research base for six astronauts. To prepare for the final project, students investigate the variables that affect the operation of...
Publication date:
2000 - 2009

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### Space-based Astronomy Educator Guide

These resources from NASA look at why telescopes are put into space. Students build simple spectroscopes and telescopes to learn the answer to this question. This educator guide is divided into units of study that include science demonstrations, lesson plans and student sheets so that students may learn about Earth's...
Publication date:
2000 - 2009

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### Episode 538: Electron Scattering

In this learning episode, from the Institute of Physics, students follow work on Rutherford scattering to look at diffraction graphs and calculate nuclear diameters. The activities include: * student experiment using an optical analogue to show diffraction around spherical objects * diffraction graphs *...
Publication date:
2000 - 2009

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